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Trial Number 4

Trial Purpose:

To evaluate successful alternatives at a higher temperature.

Date Run:


Experiment Procedure:

Four products were selected based on test results from the previous trial. Each product was diluted with DI water to vendor suggested concentration. The products were then heated to 160 F on a hot plate.

Twelve of the pre-contaminated stainless steel coupons were cleaned, three coupons per product for 15 minutes using stir bar agitation. Cleaning was followed by a 15 second rinse in a tap water bath at 120 F and air blow off for 30 seconds at room temperature. Once dry, coupons were weighed a third time and efficiencies were calculated for each product tested.

Trial Results:

Three of the four products were all more effective at the higher temperature for the same cleaning time (15 minutes). Only the Ecco Commercial cleaner had a lower efficiency than cleaning at 130 F. (A difference of 7%). Two of the products removed over 75% of the oil/starch mix. The table below lists the amount of soil added, the amount remaining and the percent removed for each coupon cleaned.

Cleaner Initial wt Final wt % Removed
VPW SC 1000 0.1596 0.0875 45.18
  0.0611 0.0386 36.82
  0.1829 0.0715 60.91
Ecco Commercial 0.0793 0.0567 28.50
  0.0834 0.0134 83.93
  0.0866 0.0334 61.43
Organic Cleaner/Degreaser 0.0945 0.0130 86.24
  0.1665 0.0138 91.71
  0.0547 0.0091 83.36
Super H2O2 0.0716 0.0226 68.44
  0.1511 0.0257 82.99
  0.0794 0.0191 75.94

Success Rating:

A follow up test, usually based on company input.


All four products will be cleaned for an additional 15 minutes (30 minutes total). All other conditions will be kept the same.

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